/**
 * @ignore
 * render for container
 * @author yiminghe@gmail.com
 */
KISSY.add(function (S,require) {
    var Control = require('component/control');
    var Manager = require('component/manager');

    return Control.getDefaultRender().extend([], {
        // decorate child element from parent component's root element.
        decorateDom: function () {
            var self = this,
                childrenContainerEl = self.getChildrenContainerEl(),
                control = self.control,
                defaultChildCfg = control.get('defaultChildCfg'),
                prefixCls = defaultChildCfg.prefixCls,
                defaultChildXClass = defaultChildCfg.xclass,
                childrenComponents = [],
                children = childrenContainerEl.children();
            children.each(function (c) {
                var ChildUI = self.getComponentConstructorByNode(prefixCls, c) ||
                    defaultChildXClass &&
                        Manager.getConstructorByXClass(defaultChildXClass);
                if (ChildUI) {
                    childrenComponents.push(new ChildUI(S.merge(defaultChildCfg, {
                        srcNode: c
                    })));
                }
            });
            control.set('children', childrenComponents);
        },

        // Return the dom element into which child component to be rendered.
        getChildrenContainerEl: function () {
            return this.$el;
        }
    }, {
        name: 'ContainerRender'
    });
});